SF455A datasheet(1/6 Pages) SIPAT

部件名	SF455A

功能描述	CDMA 450 Low Loss TX Filter

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制造商	SIPAT [SIPAT Co,Ltd]

网页	http://www.sipatsaw.com

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1 / 6 page

Phone: +86-23-62920684

Fax: +86-23-62805284

www.sipatsaw.com / sawmkt@sipat.com

Part Number

SF455A

Rev. Date

2005-2-14

SIPAT Co., Ltd.

( CETC No. 26 Research Institute )

Nanping Huayuan Road No. 14

Chongqing, China, 400060

Rev.

PR6.0

Page 1/6

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CDMA 450 Low Loss TX Filter

System Designator

A/B

Function

TX

Part Number:SF455A

1． Test conditions

RF power

0

dBm

Room Temperature

23

°C

Terminating source impedance (ZS):

50

Ω

Terminating load impedance (ZL):

50

Ω

2． Specifications

Minimum

Typical

Maximum

Unit

Centre frequency

454.99

MHz

Pass Band

452.5

457.48

MHz

Insertion Loss in Pass Band

2.0

2.8

dB

VSWR in Pass Band

1.2:1

1.4:1

Absolute Rejection

0.3 MHz – 442.5MHz

30

32

dB

RX Rejection

462.5 MHz – 467.48 MHz

35

45

dB

462.5 MHz – 467.48 MHz *)

40

45

dB

Rejection 900 MHz Cellular

467.48 MHz – 1565 MHz

30

34

dB

Rejection GPS Band

1565 MHz – 1585 MHz

30

37

dB

Rejection PCS DCS UMTS

1585 MHz – 1800 MHz

30

37

dB

Operating temperature range

-30

+85

°C

Temperature coefficient of frequency

-30

ppm/°C

Input Power

27

dBm

*) Temperature Range:

-10 … +60C°

3. Matching Network

Input

50Ω

Output

50Ω

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